re-add support for non pci platform devices

This commit is contained in:
Peter Robinson 2014-08-26 21:14:18 +01:00
parent 4e44ba7046
commit 96b9c9ef41
2 changed files with 146 additions and 1 deletions

136
xorg-non-pci.patch Normal file
View File

@ -0,0 +1,136 @@
From: Peter Robinson <pbrobinson@fedoraproject.org>
--- xorg-server-1.16.0/hw/xfree86/common/xf86Init.c.orig 2014-08-26 19:29:26.802470808 +0100
+++ xorg-server-1.16.0/hw/xfree86/common/xf86Init.c 2014-08-26 19:31:21.495368739 +0100
@@ -546,10 +546,18 @@
if (xf86DriverList[i]->Identify != NULL)
xf86DriverList[i]->Identify(0);
- if (xf86DriverList[i]->driverFunc)
+ if (xf86DriverList[i]->driverFunc) {
xf86DriverList[i]->driverFunc(NULL,
GET_REQUIRED_HW_INTERFACES,
&flags);
+ /* also let the driver know that it is safe to
+ * allow platformProbe() to claim the device
+ * if it is a non-pci platform device:
+ */
+ xf86DriverList[i]->driverFunc(NULL,
+ SERVER_SUPPORTS_NON_PCI_PLATFORM_DEVS,
+ NULL);
+ }
if (NEED_IO_ENABLED(flags))
want_hw_access = TRUE;
--- xorg-server-1.16.0/hw/xfree86/common/xf86str.h.orig 2014-08-26 19:29:39.158675241 +0100
+++ xorg-server-1.16.0/hw/xfree86/common/xf86str.h 2014-08-26 19:31:21.495368739 +0100
@@ -258,6 +258,7 @@
RR_GET_MODE_MM,
GET_REQUIRED_HW_INTERFACES = 10,
SUPPORTS_SERVER_FDS = 11,
+ SERVER_SUPPORTS_NON_PCI_PLATFORM_DEVS = 12,
} xorgDriverFuncOp;
typedef Bool xorgDriverFuncProc(ScrnInfoPtr, xorgDriverFuncOp, void *);
--- xorg-server-1.16.0/hw/xfree86/common/xf86platformBus.c.orig 2014-07-16 19:57:12.000000000 +0100
+++ xorg-server-1.16.0/hw/xfree86/common/xf86platformBus.c 2014-08-26 19:31:26.483451297 +0100
@@ -275,6 +275,41 @@
return i;
}
+static int
+find_non_pci_driver(const char *busid, char *returnList[], int returnListMax)
+{
+ /* Add more entries here if we ever return more than 4 drivers for
+ any device */
+ const char *driverList[5] = { NULL, NULL, NULL, NULL, NULL };
+ int i = 0;
+ char *p, *s;
+
+ s = xstrdup(busid);
+ p = strtok(s, ":");
+
+ if (strcmp(p, "platform"))
+ goto out;
+
+ /* extract device name: */
+ p = strtok(NULL, ":");
+
+ /* check for special cases where DDX driver name does not match busid: */
+ if (!strcmp(p, "mdp")) {
+ driverList[i++] = "freedreno";
+ }
+
+ /* add name derived from busid last: */
+ driverList[i++] = p;
+
+ for (i = 0; (i < returnListMax) && (driverList[i] != NULL); i++) {
+ returnList[i] = xnfstrdup(driverList[i]);
+ }
+
+out:
+ free(s);
+ return i; /* Number of entries added */
+}
+
/**
* @return The numbers of found devices that match with the current system
* drivers.
@@ -305,6 +340,9 @@
if ((info != NULL) && (j < nmatches)) {
j += xf86VideoPtrToDriverList(info, &(matches[j]), nmatches - j);
+ } else if (j < nmatches) {
+ char *busid = xf86_get_platform_attrib(i, ODEV_ATTRIB_BUSID);
+ j += find_non_pci_driver(busid, &(matches[j]), nmatches - j);
}
}
}
@@ -323,6 +361,9 @@
pci = FALSE;
}
+ /* First pass, look for PCI devices. If we find a suitable
+ * PCI device that takes priority.
+ */
for (i = 0; i < xf86_num_platform_devices; i++) {
char *busid = xf86_get_platform_attrib(i, ODEV_ATTRIB_BUSID);
@@ -330,6 +371,24 @@
platform_find_pci_info(&xf86_platform_devices[i], busid);
}
}
+
+ /* if we found something, we are done: */
+ if (primaryBus.type != BUS_NONE)
+ return 0;
+
+ /* Second pass, look for real platform devices (ie. in the linux-
+ * kernel sense of platform device.. something that is not pci)
+ */
+ for (i = 0; i < xf86_num_platform_devices; i++) {
+ char *busid = xf86_get_platform_attrib(i, ODEV_ATTRIB_BUSID);
+
+ if (strncmp(busid, "platform:", 9) == 0) {
+ primaryBus.type = BUS_PLATFORM;
+ primaryBus.id.plat = &xf86_platform_devices[i];
+ break;
+ }
+ }
+
return 0;
}
@@ -476,10 +535,8 @@
/* for non-seat0 servers assume first device is the master */
if (ServerIsNotSeat0())
break;
- if (xf86_platform_devices[j].pdev) {
- if (xf86IsPrimaryPlatform(&xf86_platform_devices[j]))
- break;
- }
+ if (xf86IsPrimaryPlatform(&xf86_platform_devices[j]))
+ break;
}
}

View File

@ -42,7 +42,7 @@
Summary: X.Org X11 X server
Name: xorg-x11-server
Version: 1.16.0
Release: 2%{?gitdate:.%{gitdate}}%{dist}
Release: 3%{?gitdate:.%{gitdate}}%{dist}
URL: http://www.x.org
License: MIT
Group: User Interface/X
@ -99,6 +99,12 @@ Patch10000: 0001-Fedora-hack-Make-the-suid-root-wrapper-always-start-.patch
# submitted http://lists.x.org/archives/xorg-devel/2014-July/042936.html
Patch10200: 0001-xwayland-Snap-damage-reports-to-the-bounding-box.patch
# submitted http://lists.x.org/archives/xorg-devel/2014-June/042826.html
# needed to allow X to start on arm and other devices without video on pci buses
# There's a slight variant upstream but it doesn't build against 1.16.0 atm
# rebase of Rob Clark's patches
Patch10300: xorg-non-pci.patch
%global moduledir %{_libdir}/xorg/modules
%global drimoduledir %{_libdir}/dri
%global sdkdir %{_includedir}/xorg
@ -633,6 +639,9 @@ find %{inst_srcdir}/hw/xfree86 -name \*.c -delete
%changelog
* Mon Aug 26 2014 Peter Robinson <pbrobinson@fedoraproject.org> 1.16.0-3
- re-add support for non pci platform devices
* Mon Aug 18 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org>
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild